publicações selecionadas
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artigo académico
- Seafood product safety: A hybrid graphene/gold-based electrochemical immunosensor for fish allergen analysis. Food Chemistry. 2024
- Evaluation of Municipal Waste Compost in Relation to the Environmental Retention of Heavy Metals. Sustainability (MDPI). 2023
- Enhancing the Longevity and Functionality of Ti-Ag Dry Electrodes for Remote Biomedical Applications: A Comprehensive Study. Bioengineering. 2023
- Global Women´s Breakfast (GWB): #UnidaspelaQuímica. Química - Boletim da Sociedade Portuguesa de Química. 2021
- Carlos Jorge Ribeiro Silva 30/8/1960 - 27/8/2020. Química - Boletim da Sociedade Portuguesa de Química. 2020
- Enhanced electrochemical sensing of polyphenols by an oxygen-mediated surface. Nanoscale. 2015
- Alkaloid and polyphenolic profiles of Brazilian Uncaria tomentosa leaves. Planta Medica. 2014
- Antimicrobial and antioxidant properties of propolis ethanol extracts from Terceira Island (Azores, Portugal). Planta Medica. 2014
- Radical scavenging activity of antioxidants evaluated by means of electrogenerated HO radical. Talanta. 2014
- Simplified 2,4-dinitrophenylhydrazine spectrophotometric assay for quantification of carbonyls in oxidized proteins. Analytical Biochemistry. 2014
- Reducing Antioxidant Capacity Evaluated by Means of Controlled Potential Electrolysis. Electroanalysis. 2011
- Simultaneous evaluation of the dissociated and undissociated acid concentrations by square wave voltammetry using microelectrodes. Electrochimica Acta. 2010
- Oxidation management of white wines using cyclic voltammetry and multivariate process monitoring. Journal of Agricultural and Food Chemistry. 2008
- Resistance to oxidation of white wines assessed by voltammetric means. Journal of Agricultural and Food Chemistry. 2007
- A microelectrode study of the reduction of phenyl-substituted ethenes in toluene/dimethylformamide mixtures. ACS Applied Polymer Materials. 2001
- Electroanalytical determination of styrene in acrylonitrile-butadiene-styrene copolymers. Electroanalysis. 1997
- Further studies of the reduction of styrene in toluene/N,N-dimethylformamide mixtures. Electrochimica Acta. 1997
- The reduction of styrene at microelectrodes in toluene + N,N-dimethylformamide mixtures. Electrochimica Acta. 1996
- An electrochemical method for the determination of residual styrene in polystyrene. Talanta. 1995
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artigo de conferência
- Mechanism and structure-activity relationship of the antimicrobial imidazole-based carboxamidrazones 2022
- Synthesis and antimicrobial activity of a new class of azoimidazoles 2021
- Characterization of organic matter at different stages of a composting process 2019
- Comparison of cadmium binding by humic and fulvic acids extracted from two composts of different origin 2019
- Hybrid materials for solar energy harvesting and sustainable building integrated systems 2018
- Let there be light... 2016
- Let there be light... 2015
- Antimicrobial and antioxidant properties of propolis ethanol extracts from Terceira Island (Azores, Portugal). Planta Medica. 2014
- Preparação de extratos de própolis dos Açores e avaliação das suas atividades antimicrobiana e antioxidante 2014
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artigo de revista
- Developing a Compost Quality Index (CQI) Based on the Electrochemical Quantification of Cd (HA) Reactivity. Biomolecules. 2023
- Comparison of a variety of physico-chemical techniques in the chronological characterization of a compost from municipal wastes. Process Safety and Environmental Protection. 2022
- Photosynthetic pigments in acid mine drainage: Seasonal patterns and associations with stressful abiotic characteristics. Chemosphere. 2020
- Evaluation of Polyphenols in Wine by Voltammetric Techniques with Screen Printed Carbon Electrodes. Electroanalysis. 2019
- Evaluation of total polyphenol content of wines by means of voltammetric techniques: Cyclic voltammetry vs differential pulse voltammetry. Food Chemistry. 2019
- Role of Carbonaceous Fragments on the Functionalization and Electrochemistry of Carbon Materials. Chemelectrochem. 2016
- Enhanced electrochemical sensing of polyphenols by oxygen-mediated surface. Nanoscale. 2015
- Probing the surface of oxidized carbon nanotubes by selective interaction with target molecules. Electrochemistry Communications. 2015
- Electrogenerated HO radical reactions: The role of competing reactions on the degradation kinetics of hydroxy-containing aromatic compounds. Electrochimica Acta. 2014
- Reactivity of hydroxy-containing aromatic compounds towards electrogenerated hydroxyl radicals. Electrochimica Acta. 2013
- Reactivity of hydroxy-containing aromatic compounds towards electrogenerated hydroxyl radicals. Electrochimica Acta. 2013
- Aromatic hydroxylation reactions by electrogenerated HO radicals: A kinetic study. Electrochimica Acta. 2012
- Reducing antioxidant capacity evaluated by means of a controlled potential oxidative attack. Electroanalysis. 2011
- Evaluation of the lactic acid consumption in yeast cultures by voltammetric means. Electroanalysis. 2005
- Assessement of Candida utilis growth by voltammetric reduction of acids using microelectrodes. Electrochimica Acta. 2004
- Voltammetric analysis of weak acids with microelectrodes. Electrochimica Acta. 2004
- Effect of the medium composition on the current of steady state voltammograms of neutral and charged species in dimethylformamide/toluene mixtures. Analytica Chimica Acta. 1999
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documento
- Molecularly imprinted polymer-based electrochemical sensor for simple and fast analysis of tetrodotoxin 2023
- Antifungal activity of a new derivative of 5-aminoimidazole-4-carbohydrazonamide 2023
- Seafood Product Safety: A Hybrid Graphene/Gold-Based Electrochemical Immunosensor for Fish Allergen Analysis 2023
- Fish allergen analysis in commercial products: electrochemical biosensor development 2022
- A sandwich-type electrochemical immunosensor for tetrodotoxin analysis 2022
- Implementation and Validation of Cation Determination by Ion Chromatography 2022
- Implementation and Validation of the Determination of Cations by Ion Chromatography 2022
- Electrochemical characterization of imidazole-based carboxamidrazones in aqueous and organic solutions and structure-activity relationship 2022
- Mechanism and structure-activity relationship of the antimicrobial imidazole-based carboxamidrazones 2022
- Structure-reactivity Relationship of the Antimicrobial Imidazole-based Carboxamidrazones 2021
- Synthesis and Antimicrobial Activity of a New Class of Azoimidazoles 2021
- Avaliação do potencial de valorização do composto para a remoção de paracetamol em águas 2019
- Characterization, acid-base properties and metal complexation of humic-like substances extracted from organic matter during the composting process 2019
- Comparison of cadmium binding by humic and fulvic acids extracted from compost of different feedstock 2019
- Avaliação da capacidade de composto produzido industrialmente para remoção de paracetamol de águas 2019
- Comparison of cadmium binding by humic and fulvic acids extracted from compost samples of different feedstock 2019
- Characterization of organic matter at different stages of a composting process 2019
- Comparison of cadmium binding by humic and fulvic acids extracted from two composts of different origin 2019
- Compostagem: métodos de análise química 2018
- Implementação e validação da determinação de iões inorgânicos por cromatografia iónica 2018
- Validação e controlo de qualidade da determinação de cálcio e zinco em solos por ICP-OES após extração com Mehlich 3 2018
- Desenvolvimento de um sensor eletroquímico seletivo de polifenóis 2018
- Determinação de polifenóis em vinhos: Validação do método 2018
- The Role of Chemistry in Environment: Water Treatment Plants 2017
- Water Reuse: Simple Activities 2017
- Avaliação da capacidade antioxidante de vinhos por técnicas voltamétricas: elétrodo de carbono vítreo vs screen printed electrode 2016
- Avaliação da capacidade antioxidante de vinhos por técnicas voltamétricas: voltametria linear vs voltametria diferencial de impulsos 2016
- Avaliação da capacidade antioxidante em amostras biológicas e alimentos baseada em nanopartículas 2016
- Avaliação da capacidade antioxidante em produtos apícolas 2016
- Avaliação da composição química de vinhos e aguardentes envelhecidos em Madeira 2016
- Desenvolvimento de um sensor eletroquímico para a análise de antioxidantes em vinhos 2016
- Determinação de pentaclorofenóis em amostras têxteis 2016
- Ensaios de controlo de qualidade em sabões e sabonetes 2016
- Implementação de um sistema de gestão da qualidade à luz da ISO 9001:2015 num laboratório de controlo da qualidade alimentar 2016
- Utilização de fragmentos carbonáceos obtidos a partir nanotubos de carbono em sensores eletroquímicos 2016
- Antioxidant capacity of propolis: comparison between different assessment methods 2015
- Characterization of antioxidant capacity of teas by electrochemically generated HO radicals 2015
- Voltammetric analysis of red wines with carbon electrodes 2015
- Antioxidant activity of Portuguese propolis mixtures 2015
- Let there be light... 2015
- Alkaloid and polyphenolic profiles of Brazilian Uncaria tomentosa leaves. Planta Medica. 2014
- Comportamento voltamétrico de perilenos bismides modificados em GCE e SPE 2014
- Electrochemical sensing using carboxylated multiwalled carbon nanotubes 2014
- Estratégia de implementação do REACH 2014
- Funcionalização de nanotubos de carbono por electrografting com sais de diazónio 2014
- Oxidative modification of proteins induced by electrogenerated HO radicals 2014
- Sensores baseados em nanotubos de carbono funcionalizados por ligação não-covalente 2014
- Non-covalent modification of voltammetric SPE sensors 2014
- Preparação de extratos de própolis dos Açores e avaliação das suas atividades antimicrobiana e antioxidante 2014
- Preparação de extratos de pópolis dos Açores e avaliação das suas atividades antimicrobiana e antioxidante 2014
- Antioxidant activity evaluation using electrogenerated HO radicals 2014
- Assessement of activity and capacity of antioxidants based on the kinetics of the reaction with electrogenerated HO radicals 2014
- Ciência dos 3 aos 11: atividades experimentais de física e de química 2014
- Funcionalização de substratos de carbono por electrografting com sais de diazónio 2014
- Heat-Treatments for carbon ativation of comercial screen printed electrodes 2014
- A new approach to domoic acid detection 2013
- Degradation of alizarin red promoted by electrogenerated HO radicals: A kinetic study 2013
- Evaluation of radical scavenging activity of antioxidants by means of electrogenerated HO radical 2013
- Screen Printed Electrodes Modified with Carboxylated Multiwall Carbon Nanotubes for the Analysis of Hydroquinone and Ascorbic Acid 2013
- Protein oxidation by electrogenerated hydroxyl radicals 2013
- Reactivity of hydroxybenzoic acid derivatives towards electrogenerated HO radicals 2013
- What about the toxines analysis? new strategies for sensing applications using the chemistry of diazonium group 2013
- Electrochemical generation of hydroxyl radicals for protein oxidation studies 2012
- Electrochemical generation of hydroxyl radicals for protein oxidative studies 2012
- Evaluation of antioxidant radical scavenging activity by means of electrogenerated hidroxyl radicals 2012
- Evaluation of antioxidant radical scavenging activity by means of electrogenerated hydroxyl radicals 2012
- Avaliação do desempenho do Oleo Test para o controlo da qualidade de óleos alimentares durante os processos de fritura, 2012
- Characterization of antioxidants activity in a microfluidic channel 2012
- Estudo da capacidade antioxidante de compostos fenólicos baseado em electrólises galvanostáticas 2012
- Estudo da inclusão do ácido domóico num método multitoxinas aplicado à determinação de biotoxinas marinhas em bivalves 2012
- Estudo dos danos oxidativos provocados em proteínas por radicais hidroxilo gerados por meios eletroquímicos 2012
- Estudos preliminares de validação de um método multi-resíduos de determinação de pesticidas em vegetais com extração por QuEChERS e quantificação por GC-TOF/MS 2012
- Hydroxylation of benzoic acid by electrochemical generated hydroxyl radicals 2012
- Antioxidant capacity evaluation by means of electrolysis at controlled potential 2012
- Avaliação do desempenho do OleoTest para o controlo da qualidade de óleos alimentares durante os processos de fritura 2012
- Determinação de hidrocarbonetos aromáticos policíclicos em águas superficiais e sedimentos 2012
- Métodos analíticos para avaliação de danos oxidativos em proteínas 2012
- Sistema para sensores de antioxidantes baseado na resposta a um ataque oxidativo promovido por via electroquímica 2011
- Avaliação da atividade antioxidante dos ácidos úrico e ascórbico pelo método RACE 2011
- Cyclic voltammetry studies of biotoxins on nanostructures screen printed electrodes 2011
- Determination of anatoxin-a in environmental water samples by solid-phase microextraction and gas chromatography-mass spectrometry 2011
- Premilary electrochemical studies of biotoxins on screen printed electrodes 2011
- Voltammetric detection of Domoic Acid at a multiwalled carbon-nanotube electrode 2011
- Quantification of oxidative modification in proteins by a modified DNPH assay 2010
- Electrochemical Generation of Hydroxyl Radicals for the Characterization of Antioxidants Activity 2010
- Evaluation of antioxidant capacity by potentiostatic electrolyses 2010
- Evaluation of gallic acid antioxidant activity based on its extensive oxidation promoted by electrochemical methods 2010
- Análise de antioxidantes em alimentos por LC-MS 2010
- Avaliação da atividade antioxidante do ácido cafeico por métodos eletroquímicos 2010
- Resistência oxidativa de vinhos brancos avaliada por métodos eletroquímicos 2010
- Analysis of polyphenols in wines by LC-MS 2010
- Quantification of antioxidants in foodstuff by LC-MS 2010
- Electrochemical wine browning by potentiostatic and galvanostatic methods 2008
- Oxidative degradation of wines monitored by voltammetric means 2006
- Aplicação de métodos voltamétricos no estudo de óleos industriais 2005
- Determinação de ácidos fracos por voltametria de onda quadrada 2005
- Assessement of microbial growth in lactic acid media by voltammetric means 2004
- Determination of phosphoric acid in beverages 2003
- Development of an electroanalytical method for weak acid determination 2003
- Evaluation of yeasts growth in different medio by means of voltammetry with microelectrodes 2002
- Voltammetric study of weak acids reduction 2002
- Evaluation of the microbial growth by electrochemical methods with microelectrodes 2000
- Electrochemical reduction of weak acids using microelectrodes 1999
- Assessement of Microbial growth by means of electrochemical methods 1999
- Effect of the medium composition on the current of steady state voltammograms 1998
- Electrochemical Behaviour of Styrene in Aprotic Solvents and its Determination in Polymer used for Packaging 1995
- Determination of Styrene in Polystyrene using Gold Microdics 1994
- Electrochemical Behaviour of Styrene in Toluene: N,N-dimethyllformamide Mixtures and its Determination in Polystyrene 1994
- Application of Microelectrodes in the Determination of Residual Monomers in Plastic Packaging 1991
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poster de conferência
- Synthesis and antimicrobial activity of a new class of azoimidazoles 2021
- Desenvolvimento de um sensor eletroquímico seletivo de polifenóis 2018
- Desenvolvimento e caracterização de filmes finos transparentes para aplicações óticas 2018
- Determinação de polifenóis em vinhos: validação do método 2018
- Estudos de ecotoxicidade de poluentes ambientais: PAHs e nitro-PAHs 2018
- O processo de compostagem 2018
- Avaliação da actividade antioxidante dos ácidos úrico e ascórbico pelo método RACE 2011
- Cyclic voltammetry studies of biotoxins on nanostrutured screen printed electrodes 2011
- Determination of anatoxin-a in environmental water samples by solid-phase microextraction and gas chromatography-mass spectrometry 2011
- Voltammetric detection of Domoic Acid at a multiwalled carbon-nanotube electrode 2011